NPPES file of Aug 9, 2026

Orthopaedic Hand Surgery Physician in Wisconsin

56 NPPES records list orthopaedic hand surgery physician with a practice address in Wisconsin, 0.9 per 100,000 residents, the 21st highest rate of 51. Milwaukee and Madison have the most; each record links to the provider's NPI and the Wisconsin license search. Page 2 of 2.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207XS0106X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Milwaukee has the most, 8

  1. Milwaukee8
  2. Madison5
  3. Marshfield5
  4. Franklin4
  5. Pewaukee4

Orthopaedic Hand Surgery Physician records in Wisconsin

  1. Anthony Trenga, M.D.Glendale, WI 532121750813176
  2. Steven Trinkl, MDFranklin, WI 531321225132210
  3. Frank Walter, MDWisconsin Rapids, WI 544941962442590
  4. Greg Watchmaker, MDMequon, WI 530921275564221
  5. Daniel Wiske, DOMilwaukee, WI 532151285808337
  6. Stefan Zachary, DO MSMadison, WI 537921104881895

Source: CMS NPPES, primary taxonomy 207XS0106X: records by practice city and the list of records, file of Aug 9, 2026.

Wisconsin ranks 21 of 51 per resident

  1. New Jersey1.0
  2. Maryland1.0
  3. Idaho1.0
  4. Wisconsin0.9
  5. Indiana0.9
  6. Pennsylvania0.9
  7. 50 states and D.C.0.9

Source: CMS NPPES, primary taxonomy 207XS0106X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

91.1% of these records appear in a Medicare file, against 85.8% nationally

A Medicare file here is Part D prescribing (2024), a MIPS score (2023), an Open Payments record (2024) or Medicare group billing (CMS Doctors and Clinicians). A record outside them may still see patients: these files cover Medicare only.

  1. Wisconsin91.1%
  2. United States85.8%

Orthopaedic Hand Surgery Physician records in Wisconsin, measured

  • In a Medicare file51 of 56 · 91.1% here, 85.8% nationally
  • In the CMS Doctors and Clinicians file44 · 78.6% here, 78.3% nationally
  • Not updated in five years or more22 · 39.3% here, 51.7% nationally
  • Median graduation year2004 · the 44 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207XS0106X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

56 NPPES records list orthopaedic hand surgery physician (207XS0106X) as their primary taxonomy with a practice address in Wisconsin: 0.9 per 100,000 residents against 0.9 nationally (50 states and D.C.). Milwaukee has 8 of them (14%).

A record is a registration a provider made and keeps up to date: it shows neither that the provider is licensed nor that they still practice there. The state's own license search is the check.

States with a similar number

  1. Connecticut59
  2. Maryland60
  3. Michigan60
  4. Tennessee60

States with a similar rate per 100,000

  1. Indiana0.9
  2. Idaho1.0
  3. Pennsylvania0.9
  4. New Jersey1.0

The largest states

  1. California288
  2. New York199
  3. Florida183
  4. Texas182
  5. Illinois129

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy; 2023 Census population estimates. A registry record is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.